<template>
  <card class="box-card">
    <el-form ref="ruleForm" :model="ruleForm" status-icon :rules="rules" label-width="100px" class="demo-ruleForm">
      <el-form-item label="原密码" prop="oldPass">
        <el-input v-model="ruleForm.oldPass" type="password" autocomplete="off" show-password />
      </el-form-item>
      <el-form-item label="新密码" prop="pass">
        <el-input v-model="ruleForm.pass" type="password" autocomplete="off" show-password />
      </el-form-item>
      <el-form-item label="确认密码" prop="checkPass">
        <el-input v-model="ruleForm.checkPass" type="password" autocomplete="off" show-password />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </card>
</template>

<script>
export default {
  data() {
    var validatePass = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入密码'))
      } else {
        if (this.ruleForm.checkPass !== '') {
          this.$refs.ruleForm.validateField('checkPass')
        }
        callback()
      }
    }
    var validatePass2 = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'))
      } else if (value !== this.ruleForm.pass) {
        callback(new Error('两次输入密码不一致!'))
      } else {
        callback()
      }
    }
    var validatePass3 = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入原密码'))
      } else if (value !== 'admin') {
        callback(new Error('原密码错误!'))
      } else {
        callback()
      }
    }
    return {
      ruleForm: {
        pass: '',
        checkPass: '',
        oldPass: ''
      },
      rules: {
        pass: [
          { validator: validatePass, trigger: 'blur' }
        ],
        checkPass: [
          { validator: validatePass2, trigger: 'blur' }
        ],
        oldPass: [
          { validator: validatePass3, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          alert('submit!')
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    resetForm(formName) {
      this.$refs[formName].resetFields()
    }
  }
}
</script>
<style scoped>
.demo-ruleForm{
  width: 500px;
}
</style>
